Problem A
Convex Polygon Area — Problem Statistics

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Submissions	3105
Accepted submissions	1689
Submission ratio	54.40%
Authors	1449
Accepted authors	1343
Author ratio	92.68%

#	User	Runtime	Language	Date
1	Klas af Geijerstam	0.02 s	C#	2017-09-28 21:57:39
2	Faisal Rahman	0.02 s	C#	2017-11-27 04:26:36
3	Øyvind Skaar	0.02 s	C#	2018-01-26 19:44:01
4	Kelvin Petry	0.02 s	C#	2019-05-10 13:53:50
5	Владимир Хилько	0.02 s	C#	2022-06-02 00:46:44
6	Thomas Norris	0.03 s	C#	2019-10-30 13:07:27
7	Göran Andersson	0.03 s	C#	2022-05-15 18:27:13
8	Yuwono Bangun Nagoro	0.03 s	C#	2022-08-27 11:46:15
9	Lee Wei Ren Joshua Calvin	0.03 s	C#	2022-12-27 12:25:21
10	Mikael Fiala-Lundström	0.04 s	C#	2021-04-30 01:33:17

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.05 s	F#	2022-08-20 11:12:37

#	User	Runtime	Language	Date
1	Robert Herhold	0.02 s	Go	2018-10-09 00:19:47
2	Krzysztof Gibuła	0.07 s	Go	2019-01-15 21:43:02
3	Norbert Voelker	0.08 s	Go	2021-04-24 15:19:19

#	User	Runtime	Language	Date
1	Steinar Simonnes	0.00 s	Haskell	2024-02-24 17:45:42
2	Lim Ming Yean	0.01 s	Haskell	2019-04-17 03:49:15
3	Caleb Surovik	0.01 s	Haskell	2021-07-17 05:03:26
4	Brent Yorgey	0.03 s	Haskell	2017-10-28 18:24:49
5	Aurélien Pepin	0.03 s	Haskell	2019-08-28 10:04:48
6	Hidden user	0.03 s	Haskell	2019-09-02 11:12:50
7	Intrets	0.03 s	Haskell	2019-09-06 20:11:05
8	Jan Hrček	0.03 s	Haskell	2020-11-12 10:57:15
9	Md Akif Chowdhury	0.03 s	Haskell	2023-06-20 07:27:27

#	User	Runtime	Language	Date
1	William Fiset	0.06 s	Java	2016-10-20 03:38:26
2	Samuel Klingström	0.06 s	Java	2017-05-08 20:25:35
3	William Brigham	0.06 s	Java	2018-03-09 08:47:23
4	Eyleifur Bjarkason	0.07 s	Java	2018-12-01 18:02:32
5	Asmus Tørsleff	0.07 s	Java	2021-09-22 20:12:23
6	Terrence Park	0.08 s	Java	2016-11-29 05:19:58
7	Michel Langeveld	0.08 s	Java	2016-12-05 20:59:40
8	Sai Sandeep Vaddi	0.08 s	Java	2017-02-04 19:24:57
9	Martijn Muijsers	0.08 s	Java	2017-03-12 01:28:38
10	Martin Wiberg Petersen	0.08 s	Java	2017-06-28 22:17:59

#	User	Runtime	Language	Date
1	Chris Wong	0.43 s	JavaScript (Node.js)	2021-03-07 22:33:07
2	Andoko Chandra	0.45 s	JavaScript (Node.js)	2020-10-12 13:50:15

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2016-10-20 01:13:33
2	Michael Laszlo	0.01 s	JavaScript (SpiderMonkey)	2016-11-07 15:16:11
3	Peter Kedemo	0.02 s	JavaScript (SpiderMonkey)	2016-10-20 22:00:41
4	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2022-06-22 22:43:06
5	Håkan Lindahl	0.02 s	JavaScript (SpiderMonkey)	2022-06-27 23:44:56
6	Peter Menyes	0.03 s	JavaScript (SpiderMonkey)	2021-08-29 16:28:55
7	Christian Cederquist	0.03 s	JavaScript (SpiderMonkey)	2023-01-13 14:52:44
8	Zach Tschetter	0.03 s	JavaScript (SpiderMonkey)	2023-05-03 05:17:26

#	User	Runtime	Language	Date
1	Timothy Gaede	0.64 s	Julia	2024-05-31 07:39:02

#	User	Runtime	Language	Date
1	Jacob Huebner	0.13 s	Kotlin	2020-04-27 05:40:14
2	Dayan Ruben Gonzalez	0.25 s	Kotlin	2020-09-29 22:34:44
3	Adam Rankin	0.25 s	Kotlin	2023-05-08 23:36:23
4	Whitt Sanders	0.25 s	Kotlin	2023-05-16 01:59:13
5	Zaw Myat	0.26 s	Kotlin	2024-02-01 14:53:32
6	Einar Kjellback	0.28 s	Kotlin	2020-08-14 12:06:41
7	Peter Mikkelsen	0.29 s	Kotlin	2021-02-09 06:58:36
8	Leonard Alexander Blechschmidt	0.31 s	Kotlin	2022-01-17 18:36:06
9	Neil Harmon	0.32 s	Kotlin	2019-05-16 12:04:16

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.07 s	Prolog	2016-12-11 15:29:45

#	User	Runtime	Language	Date
1	Katherine Beine	0.03 s	Python 2	2016-11-16 00:23:28
2	Ted Morin	0.03 s	Python 2	2016-11-16 00:24:54
3	udprogrammingteam Team	0.03 s	Python 2	2016-11-16 00:30:47
4	Lars Tveito	0.03 s	Python 2	2016-12-04 00:18:34
5	Hasan Ramezani	0.03 s	Python 2	2016-12-06 17:26:11
6	Abdul Zakkar	0.03 s	Python 2	2017-08-15 23:27:07
7	Justin Su	0.03 s	Python 2	2017-09-25 12:54:51
8	Sigurður Jens Albertsson	0.03 s	Python 2	2017-11-29 21:24:07
9	Peter Beattie	0.03 s	Python 2	2018-01-17 16:41:54
10	Hermon Mulat	0.03 s	Python 2	2018-09-09 05:58:55

#	User	Runtime	Language	Date
1	Christian Lindeström	0.02 s	Python 3	2016-10-30 01:48:56
2	Brian McCutchon	0.02 s	Python 3	2016-11-16 00:21:21
3	Dennis Svedberg	0.02 s	Python 3	2017-01-12 16:34:42
4	Philipp Rothaug	0.02 s	Python 3	2017-01-17 11:47:17
5	Philip Ritchey	0.02 s	Python 3	2017-01-18 05:02:12
6	Shiro Omi	0.02 s	Python 3	2017-03-11 05:51:53
7	Evan Wilde	0.02 s	Python 3	2017-03-15 20:34:34
8	Anthony Clays	0.02 s	Python 3	2017-04-17 16:01:58
9	Денис Соболев	0.02 s	Python 3	2017-04-25 11:48:11
10	Ram Basnet	0.02 s	Python 3	2017-05-17 22:46:55

#	User	Runtime	Language	Date
1	Macdara mac an tSionnaigh	0.05 s	Ruby	2019-11-22 22:38:47
2	Kok Dith	0.05 s	Ruby	2021-08-18 04:57:51
3	Thomas Feld	0.06 s	Ruby	2023-03-10 12:28:56

#	User	Runtime	Language	Date
1	Lukas Atkinson	0.00 s	Rust	2019-05-12 15:35:09
2	Giovanni Dejan	0.00 s	Rust	2019-10-11 08:28:45
3	Eric Pinter	0.00 s	Rust	2021-05-31 05:25:19
4	Bas Dirks	0.00 s	Rust	2022-01-06 10:44:44
5	Oskar Lindén	0.00 s	Rust	2022-06-22 16:24:18
6	Artur Khuziakhmetov	0.00 s	Rust	2023-09-01 17:07:14
7	Pankajkumar Patro	0.00 s	Rust	2024-09-16 14:52:33
8	Isak Jägberg	0.00 s	Rust	2024-10-24 15:10:27
9	Vincent Lagerros	0.00 s	Rust	2025-06-09 00:51:24

#	User	Runtime	Language	Date
1	Soren Basnet	0.05 s	TypeScript	2025-05-16 05:56:03

#	User	Length	Language	Date
1	Wesley Stephanak	422	C	2019-02-08 19:30:49
2	Olle Eriksson	475	C	2016-11-13 23:13:58
3	Seth Carter	513	C	2018-09-27 17:40:14
4	Hidden user	517	C	2024-07-15 22:56:24
5	Mohamed Lamnaouar	522	C	2018-01-20 01:57:35
6	Esther Chong	523	C	2018-01-17 06:06:32
7	Fredrik Karlberg	528	C	2023-08-19 19:40:20
8	Josenildo Silva	536	C	2017-07-09 00:05:27
9	Harshavardhan Nalajala	546	C	2017-02-04 20:26:07
10	Shriraam U V	551	C	2025-03-31 04:05:00

#	User	Length	Language	Date
1	Lee Wei Ren Joshua Calvin	714	C#	2022-12-27 12:25:21
2	Thomas Norris	732	C#	2019-10-30 13:07:27
3	Göran Andersson	743	C#	2022-05-15 18:27:13
4	Klas af Geijerstam	972	C#	2017-09-28 21:57:39
5	Roberto Rodriguez Giorgetti	1281	C#	2024-10-02 19:22:02
6	Владимир Хилько	1295	C#	2022-06-02 00:46:44
7	Faisal Rahman	1439	C#	2017-11-27 04:26:36
8	Mikael Fiala-Lundström	1694	C#	2021-04-30 01:33:17
9	Øyvind Skaar	1809	C#	2018-01-26 19:44:01
10	Yuwono Bangun Nagoro	1861	C#	2022-08-27 11:46:15

#	User	Length	Language	Date
1	Way Tan	316	C++	2018-11-30 08:16:59
2	Li Jiayu	351	C++	2021-12-07 10:35:53
3	William Gan	353	C++	2017-02-02 16:11:24
4	Viet Anh Ho	356	C++	2017-07-04 15:42:26
5	Timothy White	380	C++	2021-09-13 23:34:42
6	人外沙耶	383	C++	2020-09-05 05:45:32
7	Omar Chadad	385	C++	2018-01-03 23:46:03
8	Bryan Wong Wei Heng	392	C++	2019-12-28 07:17:48
9	Morgen Sudyanto	395	C++	2017-12-09 19:05:07
10	Oisin Davey	401	C++	2018-06-19 16:38:04

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	896	F#	2022-08-20 11:12:37

#	User	Length	Language	Date
1	Krzysztof Gibuła	845	Go	2019-01-15 21:43:02
2	Norbert Voelker	1075	Go	2021-04-24 15:19:19
3	Robert Herhold	1396	Go	2018-10-09 00:19:47

#	User	Length	Language	Date
1	Md Akif Chowdhury	487	Haskell	2023-06-20 07:27:27
2	Jan Hrček	619	Haskell	2020-11-12 10:57:15
3	Caleb Surovik	631	Haskell	2021-07-17 05:03:26
4	Lim Ming Yean	657	Haskell	2019-04-17 03:49:15
5	Aurélien Pepin	718	Haskell	2019-08-28 10:04:48
6	Steinar Simonnes	778	Haskell	2024-02-24 17:45:42
7	Hidden user	1737	Haskell	2019-09-02 11:12:50
8	Brent Yorgey	3100	Haskell	2017-10-28 18:24:49
9	Intrets	3362	Haskell	2019-09-06 20:11:05

#	User	Length	Language	Date
1	Himanshi Aggarwal	527	Java	2017-02-04 18:48:34
2	Prakash Sanyasi	531	Java	2018-09-28 23:39:38
3	Rahnuma Islam	550	Java	2018-01-05 03:51:45
4	Duncan Page	579	Java	2018-10-08 23:35:39
5	Natalie Longtin	582	Java	2018-09-27 20:39:29
6	Andrew Eveld	591	Java	2020-08-31 06:10:55
7	Thomas King	625	Java	2019-06-01 05:25:37
8	Lior Barak	626	Java	2018-09-27 21:49:37
9	Joseph Komskis	626	Java	2019-02-15 23:35:05
10	Shantanu Laghate	628	Java	2017-07-12 21:19:06

#	User	Length	Language	Date
1	Andoko Chandra	1281	JavaScript (Node.js)	2020-10-12 13:50:15
2	Chris Wong	1813	JavaScript (Node.js)	2021-03-07 22:33:07

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	526	JavaScript (SpiderMonkey)	2016-10-20 01:13:33
2	Peter Kedemo	570	JavaScript (SpiderMonkey)	2016-10-20 22:00:41
3	Zach Tschetter	580	JavaScript (SpiderMonkey)	2023-05-03 05:17:26
4	Christian Cederquist	587	JavaScript (SpiderMonkey)	2023-01-13 14:52:44
5	Peter Menyes	631	JavaScript (SpiderMonkey)	2021-08-29 16:28:55
6	Håkan Lindahl	760	JavaScript (SpiderMonkey)	2022-06-27 23:44:56
7	Michael Laszlo	868	JavaScript (SpiderMonkey)	2016-11-07 15:16:11
8	Jimmy Gustafsson	1040	JavaScript (SpiderMonkey)	2022-06-22 22:43:06

#	User	Length	Language	Date
1	Timothy Gaede	931	Julia	2024-05-31 07:39:02

#	User	Length	Language	Date
1	Einar Kjellback	556	Kotlin	2020-08-14 12:06:41
2	Dayan Ruben Gonzalez	677	Kotlin	2020-09-29 22:34:44
3	Adam Rankin	916	Kotlin	2023-05-08 23:36:23
4	Peter Mikkelsen	1084	Kotlin	2021-02-09 06:59:19
5	Whitt Sanders	1114	Kotlin	2023-05-16 01:59:13
6	Leonard Alexander Blechschmidt	1156	Kotlin	2022-01-17 18:36:06
7	Jacob Huebner	1309	Kotlin	2020-04-27 05:40:14
8	Neil Harmon	1350	Kotlin	2019-05-16 12:04:16
9	Zaw Myat	1428	Kotlin	2024-02-01 14:53:32

#	User	Length	Language	Date
1	Andriy Zyevakov	1301	Prolog	2016-12-11 15:29:45

#	User	Length	Language	Date
1	Justin Su	220	Python 2	2017-09-25 12:54:51
2	Lars Tveito	234	Python 2	2016-12-04 00:24:22
3	Jesper Öqvist	279	Python 2	2018-10-26 22:55:19
4	Hasan Ramezani	282	Python 2	2016-12-06 17:26:11
5	Andreas Björklund	291	Python 2	2019-03-13 20:38:30
6	Thomas Feld	306	Python 2	2019-09-09 15:06:45
7	Lim Hong Hui Eugene	307	Python 2	2019-04-12 03:37:45
8	Abdul Zakkar	342	Python 2	2017-08-15 23:27:07
9	Johan Lyts	357	Python 2	2019-03-28 15:12:29
10	Lars Åström	368	Python 2	2018-09-28 23:03:39

#	User	Length	Language	Date
1	Hidden user	113	Python 3	2024-02-23 01:42:04
2	Simon Hellsten	114	Python 3	2023-08-19 12:52:12
3	Eduardo Vicente Petry	137	Python 3	2023-02-03 09:57:23
4	Thibault Raffaillac	145	Python 3	2023-08-15 11:34:57
5	Ahmed Chamseddine	163	Python 3	2024-07-19 13:09:55
6	Kyle Wells	171	Python 3	2024-02-01 21:36:17
7	Alcohol Based Non Toxic	183	Python 3	2020-01-30 04:38:43
8	Hidden user	188	Python 3	2022-11-26 20:24:36
9	Tai Tze Kin	197	Python 3	2024-05-05 21:34:54
10	Victor Song	222	Python 3	2021-11-18 04:35:12

#	User	Length	Language	Date
1	Thomas Feld	108	Ruby	2023-03-10 12:31:52
2	Macdara mac an tSionnaigh	281	Ruby	2019-11-22 22:38:47
3	Kok Dith	290	Ruby	2021-08-18 04:57:51

#	User	Length	Language	Date
1	Bas Dirks	782	Rust	2022-01-06 10:44:44
2	Pankajkumar Patro	812	Rust	2024-09-16 14:52:33
3	Isak Jägberg	1101	Rust	2024-10-24 15:10:27
4	Oskar Lindén	1131	Rust	2022-06-22 16:24:18
5	Artur Khuziakhmetov	1133	Rust	2023-09-01 17:07:14
6	Lukas Atkinson	1372	Rust	2019-05-12 15:35:09
7	Giovanni Dejan	1545	Rust	2019-10-11 08:28:45
8	Eric Pinter	1552	Rust	2021-05-31 05:25:19
9	Vincent Lagerros	77885	Rust	2025-06-09 00:51:24

#	User	Length	Language	Date
1	Soren Basnet	881	TypeScript	2025-05-16 05:56:03

Solution running time distribution